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Collocations con REACH
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Chapter 10: Stress, Health, and Coping Stress vs. Stressor * Stressor: Anything that causes stress (an event, situation, or demand). * Example: Exams, losing a job, relationship problems. * Stress: The body’s response to a stressor. * Example: Feeling anxious, increased heart rate. Types of Stressors 1. Catastrophe * Large, unpredictable events affecting many people. * Example: Natural disasters, wars. 2. Significant Life Changes * Major events that require adjustment. * Example: Divorce, moving, starting college. 3. Daily Stressors * Small everyday problems. * Example: Traffic, homework, arguments. Sympathetic Nervous System & Fight-or-Flight * Activates during stressful situations. * Prepares the body to react. * Causes: * Increased heart rate * Faster breathing * More energy released General Adaptation Syndrome (GAS) A three-stage response to stress: 1. Alarm: Body reacts to stress. 2. Resistance: Body tries to adapt and continue functioning. 3. Exhaustion: Long-term stress drains resources. Type A vs. Type B Personality Type A: * Competitive * Impatient * Time-urgent * More stress-prone Type B: * Relaxed * Patient * Less stressed Immune System & Stress * Long-term stress weakens the immune system. * Makes the body more vulnerable to illness. Locus of Control Internal locus of control: * Belief that you control your outcomes. External locus of control: * Belief that outside forces control outcomes (luck, fate). Managing Stress * Aerobic exercise * Meditation * Relaxation techniques * Spending time with pets * Social support * Healthy sleep habits âž» Chapter 11: Social Psychology Fundamental Attribution Error * Tendency to explain others’ behavior by personality instead of situations. * Example: “He’s lazy” instead of considering he may be exhausted. Attitudes * Feelings and beliefs that influence behavior. * Made of: * Thoughts * Feelings * Actions Cognitive Dissonance * Mental discomfort from having conflicting beliefs or behaviors. * Example: Knowing smoking is unhealthy but continuing to smoke. Social Contagion * Spread of behaviors, emotions, or ideas through groups. * Example: Panic spreading through a crowd. Classic Studies Asch’s Line Study * Showed people may conform to a group even when the group is wrong. Milgram’s Obedience Study * Showed people may obey authority figures even when uncomfortable. Social Facilitation vs. Social Loafing Social Facilitation: * Performance improves when others are watching. Social Loafing: * People put in less effort when working in groups. Deindividuation * Losing self-awareness and responsibility in a group. * Example: Crowds acting differently than individuals. Ingoups vs. Outgroups Ingroup: * Group you belong to. Outgroup: * Group you see as different. Can lead to: * Bias * Stereotypes * Prejudice Passionate vs. Companionate Love Passionate Love: * Intense attraction and excitement. Companionate Love: * Deep affection, trust, and commitment. Altruism & Bystander Effect Altruism: * Helping others without expecting a reward. Bystander Effect: * People are less likely to help when others are present. âž» Chapter 12: Personality Personality * Patterns of thoughts, feelings, and behaviors that make someone unique. Psychoanalytic Theory (Freud) Id * Wants immediate pleasure. * “I want it now.” Ego * Reality-based decision maker. * Balances id and superego. Superego * Morals and rules. Defense Mechanisms Ways the mind protects itself from anxiety. Examples: * Denial: Refusing to accept reality. * Projection: Blaming feelings on others. * Rationalization: Creating excuses. Humanistic Theory * Focuses on personal growth and reaching full potential. * Carl Rogers developed Person-Centered Therapy. Trait Theory (Big Five) Five major personality traits: OCEAN * Openness * Conscientiousness * Extraversion * Agreeableness * Neuroticism Spotlight Effect vs. Narcissism Spotlight Effect: * Believing others notice you more than they actually do. Narcissism: * Excessive self-focus and feeling superior. Kruger-Dunning Effect * People with low ability may overestimate their skills. Individualistic vs. Collectivistic Cultures Individualistic: * Focus on independence and personal goals. Collectivistic: * Focus on family, groups, and cooperation. âž» Chapter 13: Psychological Disorders Psychological Disorder * A pattern of thoughts, feelings, or behaviors that causes distress or problems functioning. Anxiety Disorders * Excessive fear or worry. Examples: * Generalized anxiety disorder * Panic disorder * Phobias OCD * Obsessions (unwanted thoughts) * Compulsions (repetitive behaviors) PTSD * Stress disorder after experiencing or witnessing trauma. Substance Use Disorder * Difficulty controlling substance use despite negative effects. Major Depressive Disorder Symptoms include: * Persistent sadness * Loss of interest * Changes in sleep or energy Bipolar Disorder * Episodes of depression and mania. * Mania involves unusually high energy, mood, or activity. Suicidal Ideation * Thoughts about suicide. (Important: any concerns about safety should be taken seriously and support should be reached out to.) Schizophrenia * Disorder involving: * Hallucinations * Delusions * Disorganized thinking Personality Disorders Antisocial PD * Disregard for others’ rights and social rules. Narcissistic PD * Extreme need for admiration and lack of empathy. Borderline PD * Difficulty with emotions, relationships, and sense of self. âž» Chapter 14: Treatment Psychotherapy * Treatment using psychological methods to improve mental health. Types of Psychotherapy Psychoanalysis/Psychodynamic * Focuses on unconscious conflicts and past experiences. Client-Centered/Humanistic * Focuses on acceptance, growth, and self-understanding. Behavioral Therapy * Changes behaviors through learning principles. Cognitive Therapy * Changes unhealthy thought patterns. Cognitive Behavioral Therapy (CBT) * Combines changing thoughts and behaviors. Family Therapy * Works with family relationships. Group Therapy * Therapy with multiple people. Evidence-Based Practice * Treatments supported by scientific research. Therapeutic Lifestyle Change Improving mental health through: * Exercise * Sleep * Nutrition * Social connection Biomedical Treatments Medication * Treats symptoms through biological processes. ECT (Electroconvulsive Therapy) * Uses controlled electrical stimulation to treat severe depression. Psychosurgery * Surgery involving the brain (rare). TMS (Transcranial Magnetic Stimulation) * Uses magnetic stimulation to affect brain activity. âž» Quick Test Tips: * Stress = response, Stressor = cause * Asch = conformity * Milgram = obedience * Big Five = OCEAN * Id = pleasure, Ego = reality, Superego = morals * CBT = thoughts + behaviors * Bystander effect = less helping in groups
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React Interview Study Guide
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collocation with REACH
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REACT
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Cell cycle is a 4-stage process that takes place in a cell as the cell grows and divides. Each complete cell division will result in two daughter cells. The four stages of cell division are Gap 1 ( G₁ phase ), Synthesis (S phase), Gap 2 ( G₂ phase ) and mitosis. Figure 3 Figure 3 - The G₁, S and G₂ phases are also known as interphase. The process of mitosis and cytokinesis are also called M phase. Stages of cell division Mitosis Mitosis is a process where a single cell divides to form two new identical daughter cells. The two daughter cells contain the same number of chromosomes and genetic content as their parent cell. Mitosis can be divided into 4 phases: Prophase Metaphase Anaphase Telophase Figure 4 Figure 4 - 1. During prophase, chromatin condenses and becomes tightly coiled to form chromosome structure. Each chromosome consists of two sister chromatids joined together at the centromere. At the end of prophase, nucleolus disappear and nuclear membrane disintegrates. Figure 5 Figure 5 - 2. Metaphase follows after prophase. Centrioles migrate to the opposite poles of the cell. The mitotic spindle/spindle fibres are fully formed. All the chromosomes are lined up randomly at the metaphase/equatorial plate. Metaphase ends when the centromeres divide. Figure 6 Figure 6 - 3. Anaphase begins when the sister chromatids separate at the centromere. Shortening of the spindle fibres pull the sister chromatids apart to the opposite poles. The separated chromatids are referred to as daughter chromosomes. Anaphase ends when the chromosomes reach the poles of the cell. Figure 7 Figure 7 - 4. Telophase begins when the sets of chromosomes reach the opposite poles of the cell respectively. The chromosomes then start to uncoil to become their original fine chromatin threads again. Nucleoli and nuclear membrane are reformed. Spindle fibres disappear and the process of mitosis is now complete. Cytokinesis follows after the telophase stage. The Differences between Mitosis and Cytokinesis in Animal and Plant Cells In plant cells, the spindle fibres form even though they do not have centrioles. The differences in the cytokinesis process in animal and plant cells can be seen in the figures below. Figure 8 Figure 8 - 1. In animal cells, the microfilaments in the cytoplasm contract pull a ring of plasma membrane inwards. The cytoplasm is constricted in the middle of the cell between two nuclei. Figure 9 Figure 9 - 2. The formation of cleavage furrow pinches at the equator of the cell. Figure 10 Figure 10 - 3. The cleavage furrow deepens progressively until the cell separates, forming two daughter cells. Figure 11 Figure 11 - 1. In plant cells, membrane-enclosed vesicles form and gather at the equator of the cell. Figure 12 Figure 12. - 2. The vesicles join together to form a cell plate. Figure 13 Figure 13 - 3. The cell plate divides the cell into two daughter cells. Cellulose produced by the cell strengthens the newly formed cell wall. The Necessity of Mitosis Controlled mitosis is important because the genetic information carried by the chromosomes is necessary for proper functioning of an organism. Mitosis is important in cell repair and regeneration. Here are some examples where mitosis plays an important role: Lizards grow new tail if their tails break Starfish replaces lost arms by mitosis Liver cells divide to replace damaged and injured tissues Stem cells culture to produce meats Animal cloning (Dolly, the sheep)
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